Imaging News and Research

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Japanese researchers using PET imaging detect the beginnings of atherosclerosis

Using positron emission tomography (PET), the medical isotope 15O-water and cold pressor tests, Japanese researchers were able to detect the beginnings of atherosclerosis - before the disease became clinically evident.

9 Jun 2006

Sunitinib shows promise in treating metastatic renal cell cancer

A new study suggests that sunitinib is a promising agent for treatment of metastatic renal cell cancer, currently a disease without highly effective treatment options, according to an article in the June 7 issue of the Journal of the American Medical Association.

7 Jun 2006

A core system for the implementation of task sets

Scientists have used data from scans of 183 subjects to identify brain areas that consistently become active in a variety of cognitive tasks, such as reading, learning a rhythm or analyzing a picture.

7 Jun 2006

Midbrain, striatal and amygdalar dopaminergic dysfunction in ADHD

The brain's dopamine system, which has long been associated with reward learning and reward-related behavior, works differently in treated and untreated attention deficit hyperactivity disorder (ADHD) individuals.

7 Jun 2006

Hyperscanning - a new approach to studying social interactions

Researchers at Baylor College of Medicine (BCM) have mapped not only where trust forms in the brain but have also uncovered clues as to how humans represent themselves and others as physical responses in their brains.

7 Jun 2006

Study finds PET imaging value in tracking diabetes progression

"Diabetes is the only major disease with a death rate that continues to be on the upswing," proclaimed a front-page New York Times story recently.

7 Jun 2006

PET imaging of cerebral cannabinoid CB1 receptors with [11C]JHU75528

A team of Johns Hopkins researchers developed a new radiotracer - a radioactive substance that can be traced in the body - to visualize and quantify the brain's cannabinoid receptors by positron emission tomography (PET).

6 Jun 2006

Delayed calf muscle phosphocreatine recovery after exercise identifies peripheral arterial disease

Between 8 and 12 million Americans are affected by peripheral arterial disease, or PAD, where the arteries that bring blood to the legs are blocked by atherosclerotic plaque.

6 Jun 2006

MS sufferers relieved as drug Tysabri goes back on the market

The Food and Drug Administration in the U.S. has given it's approval for the multiple sclerosis drug Tysabri to be put back on the market.

6 Jun 2006

Study finds ways to improve detection of blood clots in the lung

Largest study ever conducted to assess the role of contrast-enhanced multidetector computed tomographic (CT) angiography for diagnosing pulmonary embolism.

5 Jun 2006

FDA approves resumed marketing of Tysabri

The Food and Drug Administration (FDA) today approved an application for resumed marketing of Tysabri (natalizumab) subject to a special restricted distribution program.

5 Jun 2006

Sunitinib therapy shows promise in children with metastatic gastrointenstinal stromal tumor

Children with a rare digestive-tract cancer that is resistant to front-line therapy have benefited from a newer targeted therapy that has been shown effective in adults, according to data from a small pilot study.

5 Jun 2006

Helium-based MRI scans may one day allow closer look at smoker lungs

Aided by a powerful imaging technique, scientists have discovered they can detect smoking-related lung damage in healthy smokers who otherwise display none of the telltale signs of tobacco use.

5 Jun 2006

How sexy we feel depends on our genes

According to researchers at the Hebrew University of Jerusalem, how sexy we feel depends on our genes.

31 May 2006

Bipolar disorder causes children to misinterpret facial expressions

Researchers at the National Institute of Mental Health (NIMH) have discovered why children with bipolar disorder tend to be more aggressive and irritable and have poorer social skills than healthy children.

31 May 2006

Genetic variations impact sexual desire

New evidence that individual differences in human sexual desire can be attributed to genetic variations has been revealed by a research group headed by a professor of psychology at the Hebrew University of Jerusalem.

29 May 2006

MRI cost-effective for some women at high-risk of breast cancer

A computer model simulation suggests that adding breast MRI screening may be cost-effective for women of certain ages who carry BRCA1 and BRCA2 gene mutations.

23 May 2006

Comparative study of ileocecal vs. ileal neobladders in radical cystectomy patients

The use of orthotopic urinary diversion has gained increasing popularity in the past 20 years.

18 May 2006

MRI provides an early alert for polycystic kidney disease

A new method using magnetic resonance imaging (MRI) accurately tracks structural changes that predict functional changes earlier than standard blood and urine tests in people with autosomal dominant polycystic kidney disease (PKD).

17 May 2006

Brain research offers insight into mechanisms of prejudice

By scanning subjects' brains while they were thinking about people either politically like or different from them, researchers have found that different areas of the brain are active in the two cases.

17 May 2006